Question
Bonjour pouvez vous m'aider a calculer cela( L=123455x123457-123456au carré) merci d'avance
Asked by: USER6736
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91 Answers
Answer (91)
Bonsoir,
L = 123455 x 123457 - 123456^2
On pose n = 123456
L = (n - 1)(n + 1) - n^2
L = n^2 - 1 - n^2
L = -1
Donc :
L = 123455 x 123457 - 123456^2
L = -1
L = 123455 x 123457 - 123456^2
On pose n = 123456
L = (n - 1)(n + 1) - n^2
L = n^2 - 1 - n^2
L = -1
Donc :
L = 123455 x 123457 - 123456^2
L = -1